package com.ruoyi.web.controller.common;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.ora.service.ICommonService;
import com.ruoyi.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.google.code.kaptcha.Producer;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.sign.Base64;
import com.ruoyi.common.utils.uuid.IdUtils;
import com.ruoyi.system.service.ISysConfigService;

/**
 * 验证码操作处理
 * 
 * @author ruoyi
 */
@RestController
public class CaptchaController
{
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;

    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ICommonService commonService;
    @Autowired
    private ISysUserService userService;
    @Autowired
    private ISysConfigService configService;
    /**
     * 生成验证码
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode(HttpServletResponse response) throws IOException
    {
        AjaxResult ajax = AjaxResult.success();
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        ajax.put("captchaEnabled", captchaEnabled);
        if (!captchaEnabled)
        {
            return ajax;
        }

        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;

        String capStr = null, code = null;
        BufferedImage image = null;

        // 生成验证码
        String captchaType = RuoYiConfig.getCaptchaType();
        if ("math".equals(captchaType))
        {
            String capText = captchaProducerMath.createText();
            capStr = capText.substring(0, capText.lastIndexOf("@"));
            code = capText.substring(capText.lastIndexOf("@") + 1);
            image = captchaProducerMath.createImage(capStr);
        }
        else if ("char".equals(captchaType))
        {
            capStr = code = captchaProducer.createText();
            image = captchaProducer.createImage(capStr);
        }

        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        // 转换流信息写出
        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
        try
        {
            ImageIO.write(image, "jpg", os);
        }
        catch (IOException e)
        {
            return AjaxResult.error(e.getMessage());
        }

        ajax.put("uuid", uuid);
        ajax.put("img", Base64.encode(os.toByteArray()));
        return ajax;
    }

    @GetMapping("/sendEmail")
    public AjaxResult sendEmail(String receiveAccount, String userType, Integer sceneType, String lang) throws IOException
    {
        String uuid = IdUtils.simpleUUID();
        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;

        String code = IdUtils.getCheckCode(6, true);
        String subject = configService.selectConfigByKey("email_login_code_subject_"+lang); //"EcoIP登录登录码";   // 参数配置中获取
        String content = configService.selectConfigByKey("email_login_code_content_"+lang); //"您的本次登录验证码为0000";  //内容模板 参数中获取
        String password = "";

        if (sceneType == null || sceneType == 1){
            //如果是没有注册过的用户则带一个初始密码
            SysUser sysUser = userService.selectUserByUserName1(receiveAccount, userType);
            if (sysUser == null){
                content = configService.selectConfigByKey("email_login_code_content_newuser_"+lang);
                password = IdUtils.getCheckCode(8, false);
                redisCache.setCacheObject(verifyKey+"_password", password, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
            }
        }
        content = content.replace("${code}", code).replace("${password}", password); // String.format(content, code, password);

        boolean result = commonService.sendEmail(receiveAccount.split(","), subject, content, null);
        if (result){
            redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
            AjaxResult ajax = AjaxResult.success();
            ajax.put("uuid", uuid);
            return ajax;
        }else {
            return AjaxResult.error();
        }
    }

    @GetMapping("/sendSms/china")
    public AjaxResult sendSmsChina(String receiveAccount, String userType, Integer sceneType, String lang) throws IOException
    {
        return sendSms(receiveAccount, userType, sceneType, "zh");
    }


    @GetMapping("/sendSms/international")
    public AjaxResult sendSmsInternational(String receiveAccount, String userType, Integer sceneType, String lang) throws IOException
    {
        return sendSms(receiveAccount, userType, sceneType, "en");
    }


    public AjaxResult sendSms(String receiveAccount, String userType, Integer sceneType, String lang){
        String uuid = IdUtils.simpleUUID();
        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;

        String code = IdUtils.getCheckCode(6, true);
        String content = configService.selectConfigByKey("sms_login_code_content_"+lang); //"您的本次登录验证码为0000";  //内容模板 参数中获取
        String password = "";
        if (sceneType == null || sceneType == 1){
            //如果是没有注册过的用户则带一个初始密码
            SysUser sysUser = userService.selectUserByUserName1(receiveAccount, userType);
            if (sysUser == null){
                content = configService.selectConfigByKey("sms_login_code_content_newuser_"+lang);
                password = IdUtils.getCheckCode(8, false);
                redisCache.setCacheObject(verifyKey+"_password", password, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
            }
        }
        content = content.replace("${code}", code).replace("${password}", password);

        boolean result = commonService.sendSms(receiveAccount, content, lang);
        if (result){
            redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
            AjaxResult ajax = AjaxResult.success();
            ajax.put("uuid", uuid);
            return ajax;
        }else {
            return AjaxResult.error();
        }
    }

}
